{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-1720", "assignerOrgId": "b1571b85-cbc9-431f-830b-0c8155323a69", "state": "PUBLISHED", "assignerShortName": "STAR_Labs", "dateReserved": "2023-03-30T09:19:46.683Z", "datePublished": "2023-11-01T09:04:46.293Z", "dateUpdated": "2023-11-01T09:04:46.293Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Bitrix24", "programFiles": ["file:desktop_app/file.ajax.php"], "vendor": "Bitrix24", "versions": [{"lessThanOrEqual": "22.0.300", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Lam Jun Rong & Li Jiantao of STAR Labs SG Pte. Ltd. (@starlabs_sg)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Lack of mime type response header in Bitrix24 22.0.300 allows authenticated remote attackers to execute arbitrary JavaScript code in the victim's browser, and possibly execute arbitrary PHP code on the server if the victim has administrator privilege, via uploading a crafted HTML file through /desktop_app/file.ajax.php?action=uploadfile."}], "value": "Lack of mime type response header in Bitrix24 22.0.300 allows authenticated remote attackers to execute arbitrary JavaScript code in the victim's browser, and possibly execute arbitrary PHP code on the server if the victim has administrator privilege, via uploading a crafted HTML file through /desktop_app/file.ajax.php?action=uploadfile."}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-434", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "b1571b85-cbc9-431f-830b-0c8155323a69", "shortName": "STAR_Labs", "dateUpdated": "2023-11-01T09:04:46.293Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://starlabs.sg/advisories/23/23-1720/"}], "source": {"discovery": "UNKNOWN"}, "title": "Bitrix24 Stored Cross-Site Scripting (XSS) via File Upload", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bitrix24:bitrix24:22.0.300:*:*:*:*:*:*:*", "matchCriteriaId": "D47D6185-F86F-4402-85C1-C0A0EAE09B0D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Lack of mime type response header in Bitrix24 22.0.300 allows authenticated remote attackers to execute arbitrary JavaScript code in the victim's browser, and possibly execute arbitrary PHP code on the server if the victim has administrator privilege, via uploading a crafted HTML file through /desktop_app/file.ajax.php?action=uploadfile."}, {"lang": "es", "value": "La falta de un encabezado de respuesta de tipo mime en Bitrix24 22.0.300 permite a atacantes remotos autenticados ejecutar c\u00f3digo JavaScript arbitrario en el navegador de la v\u00edctima, y posiblemente ejecutar c\u00f3digo PHP arbitrario en el servidor si la v\u00edctima tiene privilegios de administrador, cargando un archivo HTML manipulado a trav\u00e9s de /desktop_app /file.ajax.php?action=uploadfile."}], "id": "CVE-2023-1720", "lastModified": "2023-11-09T21:12:21.233", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0, "source": "info@starlabs.sg", "type": "Secondary"}]}, "published": "2023-11-01T10:15:09.440", "references": [{"source": "info@starlabs.sg", "tags": ["Exploit", "Third Party Advisory"], "url": "https://starlabs.sg/advisories/23/23-1720/"}], "sourceIdentifier": "info@starlabs.sg", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-434"}], "source": "info@starlabs.sg", "type": "Secondary"}]}

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